The state has hired a sexual-assault cold-case investigator to assist in chipping away at the state's backlog of nearly 3,500 untested rape kits. April 26, 2018 FAIRBANKS — The state has hired a sexual-assault cold-case investigator to assist in chipping away at the state's backlog of nearly 3,500 untested rape kits. Retired Alaska State Trooper Sg...